CN105832446B - Overlay film frame, overlay film frame system and its application method - Google Patents
Overlay film frame, overlay film frame system and its application method Download PDFInfo
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- CN105832446B CN105832446B CN201510019068.9A CN201510019068A CN105832446B CN 105832446 B CN105832446 B CN 105832446B CN 201510019068 A CN201510019068 A CN 201510019068A CN 105832446 B CN105832446 B CN 105832446B
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Abstract
The present invention provides a kind of overlay film frame, overlay film frame system and its application method, by overlay film frame design based on, it is at least one be embedded in the main body and with the inner wall of the main body it is tangent it is first collateral, to be set at least one second collateral, at least one dismountable third integral on the outside of the main body and with the main body collateral.There are following advantageous effects for the overlay film frame of the present invention：1) the second side branch is designed as integrated and the first collateral middle design used is inserted into the collateral one end of third with main body, reduces the risk of interior leakage；2) after the first component being sent into vascular lesion position, the second of branch's sheath will be first cased with outside collateral to pull in first branch vessel at vascular lesion position, then main body is discharged, the second side branch plays the role of positioning at this time, to reduce the risk of overlay film frame displacement；3) it is detachable, main body and third is collateral to be made respectively as desired since third is collateral, solves the problems, such as that stock is difficult.
Description
Technical field
The present invention relates to the field of medical instrument technology, more particularly to a kind of overlay film frame, overlay film frame system and its use
Method.
Background technology
Overlay film frame is applied to the big progress that arotic disease treatment is Aortic surgery in recent years, indication packet
Include dissection of aorta, aorta true aneurysm, aortic pseudoaneurysm, aorta penetrating ulcer etc..Due to actively
Used overlay film frame in arteries and veins disease treatment, greatly reduce operative mortality rate and postoperative complications, alleviate operation wound,
Patient restores very fast.The working mechanism of overlay film frame is that overlay film frame is sent into diseased region post-tensioning by special conveyer
It opens, knurl is made to completely cut off with blood, eliminate aneurysm rupture massive haemorrhage and cause dead danger or knurl to surrounding tissue, device
The compressing of official.Have ripe product, such as external Talent, AneuRex, Exclude, Relax, Gore both at home and abroad now
Deng domestic Hercules, Aegis, Ankura etc..But the said goods are only applicable to convex chest main aneurysm or aorta
Interlayer, and require the Normal Thoracic Aortic tumor wall of knurl or interlayer cut away from left subclavian artery at least 15mm as anchoring
Area with ensure holder will not shift have no it is interior leak out it is existing, and to interlayer or aneurysm involve left subclavian artery person, patient's multirow
Left subclavian artery transfer auxiliary operation, then reapplies above-mentioned overlay film frame treatment aneurysm or aorta rupture, but take this
This method still has higher interior leakage complication, that is to say, that there is no at present directly available overlay film frame be suitable for treatment interlayer or
Knurl involves Ascending Aortic Aneurysm to the patient of left common carotid artery range.
In recent years, with the development of interventional technique, there is the concept of the overlay film frame of some branching types, according to branch
Quantity is divided into：Single branch stent, two branch stents, three/holder, branched membrane-covered support can not only treat aorta ascendens
With the lesion of the arch of aorta, and can replace it is existing treatment descending aorta lesion overlay film frame, overcome existing product
Part weakness, the but when branch of the overlay film frame of branching type is more, parameter be much difficult to a kind of structure type meet it is most of
The demand of vascular morphology, the problem for bringing stock difficult.In addition, simple multiple-limb stent implantation procedure is complicated, it is careless slightly
It is easy to cause catastrophic effect.
In order to solve the problems, such as that stock is difficult and implantation process is complicated, there is sunk type overlay film frame and embeds in this field
Formula overlay film frame.The sunk type overlay film frame includes the side for being provided with the main body of sunken regions and being set to the sunken regions
Branch, the collateral lower counterbore in the sunken regions.The embedded overlay film frame includes being provided with sunken regions
Main body and it is embedded in embedded collateral in main body, described embedded collateral one end is close to the sunken regions, the sunken regions
It is provided with counterbore.But there is also this following deficiencies for two kinds of structures：
1. multiple counterbores are difficult to while align fingers openings in blood vessels when main body implantable intravascular, collateral implantation branch vessel is caused
The problem of difficult and interior leakage, this lateral branch, which is connected using the form being followed by with main body, also increases danger of leaking out in holder entirety；
2. can be pulled to main body when collateral implantable intravascular leads to body displacements, holder release failure is eventually led to；
3. the sunken regions of embedded overlay film frame or sunk type overlay film frame can excessively cause main body tube chamber to become smaller, original
Channel of blood flow change, have unpredictable risk to blood flow and long-term effect.
Invention content
The purpose of the present invention is to provide a kind of overlay film frame, overlay film frame system and its application methods, mainly solve to make
There are problems that interior leakage in the process with overlay film frame implantable intravascular in the prior art；Secondly, it solves using overlay film in the prior art
The problem of main body leads to body displacements, eventually leads to holder release failure can be pulled to when the collateral implantable intravascular of holder；Again,
Solve the problems, such as that existing overlay film frame stock is difficult.
In order to solve the above technical problems, the present invention provides a kind of overlay film frame, the overlay film frame includes：Main body, at least
One is embedded in the main body and tangent with the inner wall of the main body first collateral, at least one is set on the outside of the main body
And it is collateral with the second collateral and at least one dismountable third of the main body integrally；Wherein, institute is located in the main body
State first it is collateral with described second it is collateral between be partly provided with sinker area；At least one described first collateral and sinker area
It is connected by the counterbore on the sinker area, the collateral one end of the third is through the counterbore and to be inserted into described first collateral
In, the described first collateral quantity is identical as the quantity that the quantity of the counterbore and the third are collateral.
Optionally, in the overlay film frame, described first collateral and the described second collateral quantity summation is equal to blood
The branch vessel number of pipe diseased region.
Optionally, in the overlay film frame, the length range of the sinker area is 1-30mm.
Optionally, in the overlay film frame, the depth bounds of the sinker area are 3~25mm.
Optionally, in the overlay film frame, the main body is circular tube shaped, and length range is 60~210mm, diameter
Ranging from 24~50mm.
Optionally, in the overlay film frame, described first it is collateral be circular tube shaped, length range be 10~50mm,
Diameter range is 8~12mm.
Optionally, in the overlay film frame, described second it is collateral be circular tube shaped, length range be 10~50mm,
Diameter range is 6~18mm.
The present invention also provides a kind of overlay film frame system, the overlay film frame system includes：The first component and second component,
The first component include main body, it is at least one be embedded in the main body and with the inner wall of the main body it is tangent it is first collateral,
It is at least one to be set to second collateral and first conveyer integral on the outside of the main body and with the main body, the second side
Branch is outer to be cased with branch's sheath, and branch's seal wire is provided on branch's sheath, is wound with lashing wire on the outside of the main body, and described second
The collateral and described main body is placed in first conveyer；The second component includes that third is collateral and the second conveyer, institute
State that third is collateral to be placed in second conveyer.
The present invention also provides a kind of application method of overlay film frame system, the application method of the overlay film frame system includes
Following steps：
The first component is sent to vascular lesion position；
Recall first conveyer；
Branch seal wire is pulled, described second collateral is pulled in first branch vessel at vascular lesion position；
The lashing wire is pulled to discharge the main body and described first collateral；
The second component is sent into second branch vessel at the vascular lesion position, one that the third is collateral is made
End through counterbore and be inserted into described first it is collateral in；
It is collateral to discharge the third to recall second conveyer；
Pull branch's sheath collateral to discharge described second.
In overlay film frame provided by the present invention, overlay film frame system and its application method, overlay film frame is designed as
Main body, it is at least one be embedded in the main body and with the inner wall of the main body it is tangent it is first collateral, be set to outside the main body
Side is simultaneously collateral at least one second collateral, at least one dismountable third of the main body integrally.The overlay film of the present invention
There are following advantageous effects for holder：
1) the second side branch is designed as integrated and the first collateral middle use is inserted into the collateral one end of third with main body
Design, reduce the risk of interior leakage, to reduce operative mortality rate and postoperative complications；
2) after the first component being sent into vascular lesion position, it will be first cased with the second of branch's sheath outside and collateral pull in vascular lesion
In first branch vessel at position, main body is then discharged, the second side branch plays the role of positioning at this time, to reduce overlay film branch
The risk of frame displacement, to reduce operative mortality rate and postoperative complications；
3) it is detachable, main body and third is collateral to be made respectively as desired since third is collateral, reduces
Product parameters types solve the problems, such as that stock is difficult.
Description of the drawings
Fig. 1 a~1c are the diagrammatic cross-sections of the overlay film frame of different structure present in the embodiment of the present invention one；Its
In, Fig. 1 b are sectional views of Fig. 1 d along the directions A-A；
Fig. 1 d are the left views of the overlay film frame of one of which structure present in the embodiment of the present invention one；
Fig. 2 a~2b are the diagrammatic cross-sections of the overlay film frame of different structure present in the embodiment of the present invention two；
Fig. 3 be in the present invention by be cased with outside branch's sheath described second is collateral and outside is wound with the main body of lashing wire
The structural schematic diagram being placed in before first conveyer；
Fig. 4 be in the present invention by be cased with outside branch's sheath described second is collateral and outside is wound with the main body of lashing wire
The structural schematic diagram being placed in after first conveyer；
Fig. 5 is the flow chart of the method for releasing of the overlay film frame of the present invention；
Fig. 6 a~6d be the present invention overlay film frame method for releasing in correlation step structural schematic diagram.
In figure：Main body -10；First collateral -11；Second collateral -12；Third collateral -13；Sinker area -100；Counterbore -110；
Lashing wire -101；Branch's sheath -120；Branch's seal wire -121；First conveyer -20.
Specific implementation mode
Below in conjunction with the drawings and specific embodiments to overlay film frame proposed by the present invention, overlay film frame system and its user
Method is described in further detail.According to following explanation and claims, advantages and features of the invention will become apparent from.It needs to illustrate
, attached drawing is all made of very simplified form and uses non-accurate ratio, only to it is convenient, lucidly aid in illustrating this
The purpose of inventive embodiments.
Please refer to Fig.1 a~1c and Fig. 2 a~2b, be both overlay film frame for the present invention in different embodiments
Cross-sectional view, by above-mentioned figure it is found that the overlay film frame includes：Main body 10 at least one is embedded in the main body
10 and with the inner wall of the main body 10 it is tangent first collateral 11, it is at least one be set to the outside of the main body 10 and with the master
Body 10 integral second collateral 12 and at least one dismountable third collateral 13；Wherein, it is located in the main body 10 described
It is partly provided with sinker area 100 between first collateral 11 and described second collateral 12；At least one described first collateral 11 and institute
It states sinker area 100 by the counterbore 110 on the sinker area 100 to be connected, one end of the third collateral 13 is through described heavy
Hole 110 is simultaneously inserted into described first collateral 11, described first collateral 11 quantity and the quantity of the counterbore 110 and the third
Collateral 13 quantity is identical.
Preferably, the sinker area 100 be the main body 10 part integument pits structure, the sinker area 100 with
The body cavity of the main body 10 is communicated by the counterbore 110, when institute through the counterbore 110 and is inserted into one end of third collateral 13
After in stating first collateral 11, the outer surface of third collateral 13 is mutually connected with the first collateral inner surface, increases overlay film frame weight
The occurrence of closing region, reducing interior leakage.
In addition, third collateral 13 is dismountable structure, therefore when making overlay film frame, main body 10 and third collateral 13
Can solve the problems, such as that stock is difficult with not being fabricated separately according to actual demand.
The overlay film frame of the present invention is suitable for treatment arotic disease, and the arotic disease includes Ascending Aortic Aneurysm, bow
Portion's aneurysm, descending aortic aneurysm and dissection of aorta.
Preferably, for when the arotic disease for the aorta for being 3 to treat branch vessel, since overlay film frame includes
Main body 10 further includes that (i.e. first collateral 11, second collateral 12 and collateral 13) of third, described first is collateral for three types collateral
11 quantity is identical as the quantity of the quantity of the lower counterbore 110 and the third collateral 13, and therefore, overlay film frame includes not
Congener collateral existing quantity has different situations, and the structure of the overlay film frame to be constituted is also different.This reality
It applies in example preferably, described first collateral 11 and described second collateral 12 quantity summation is equal to branch vessel number, with treatment point
Specifically there are two kinds of embodiments when the arotic disease for the aorta that branch vessel is 3.
Embodiment one：Overlay film frame includes two first collateral 11 and one second collateral 12
A~1c is please referred to Fig.1, is the section signal of the overlay film frame of different structure present in the embodiment of the present invention one
Figure.In sectional view as shown in Figure 1a, the main body 10 of second collateral 12 both sides is embedded with one first collateral 11 respectively, by institute
State first collateral 11 quantity it is identical as the quantity of the quantity of the lower counterbore 110 and the third collateral 13, therefore, this is at present
Lower counterbore 110 in heavy area 100 altogether there are two, due to sinker area 100 be set to described first collateral 11 with it is described second collateral
In main body 10 between 12, thus the lower counterbore 110 be set to first collateral 11 similar on the sinker area 100；This
In the third collateral 13 only need one.
In the sectional view as shown in Fig. 1 b and Fig. 1 c, second collateral 12 homonymy is embedded, and there are two first collateral 11.Wherein
Fig. 1 b are sectional views of Fig. 1 d along the directions A-A, embedded there are two first collateral 11 by known to Fig. 1 d second collateral 12 homonymy,
Include but is not limited to position shown in Fig. 1 d for two the first collateral 11 relative positions in the main body.
Embodiment two：Overlay film frame includes one first collateral 11 and two second collateral 12
A~2b is please referred to Fig.2, is the section signal of the overlay film frame of different structure present in the embodiment of the present invention two
Figure.In the sectional view as shown in Fig. 2 a and Fig. 2 b, two second collateral 12 are disposed adjacent, first collateral 11 be set to two it is adjacent
Second collateral 12 side, sinker area 100 be set to described first collateral 11 with two adjacent second collateral 12 side
Main body 10 on, since described first collateral 11 quantity is identical as the quantity of the third collateral 13, the third side
Branch 13 only needs one.
Certainly, for the present invention two embodiments in for different types of collateral specific location packet in overlay film frame
It includes but is not limited to position shown in figure.For treating different arotic diseases, it is only necessary to point being had according to aorta
Branch vessel quantity carries out different types of collateral quantity needed for matching overlay film frame, just repeats no more here.
Preferably, the length range of the sinker area 100 is 1-30mm；The main body 10 is circular tube shaped, length range
For 60~210mm, diameter range is 24~50mm, and the depth bounds of the sinker area 100 are 3~25mm.
Further, described first collateral 11 be circular tube shaped, length range be 10~50mm, diameter range be 8~
12mm。
Further, described second collateral 12 be circular tube shaped, length range be 10~50mm, diameter range be 6~
18mm。
Here the manufacturing process and installation process of overlay film frame are further understood by taking the model for making overlay film frame as an example.
The making of overlay film frame：Due in overlay film frame main body 10 and three kind it is collateral by overlay film and holder two parts structure
At, therefore its manufacturing process includes making two key steps of holder and overlay film.First use metal material (such as NiTi, no
Rust steel wire etc.) holder is made, with the suture of high molecular material (such as polytetrafluoroethylene (PTFE), nylon, polyester, terylene, polypropylene)
Metallic support is sewn on covering material (such as polytetrafluoroethylene (PTFE), nylon, polyester, terylene, polypropylene), main body is respectively prepared
10 and three kind it is collateral；Then it by main body 10 and collateral is united by a seam with suture above-mentioned.Wherein, the size range of model：It is main
Body 10 length 60-210mm, diameter 24-50mm；Second collateral 12 length 10-50mm, the second collateral 12 diameter 6-18mm；First
Collateral 11 diameter 8-12mm；100 depth of sinker area is 3-25mm.
When making the model of overlay film frame, it should be noted that second collateral 12 is preferably sewn in outside overlay film, with to the greatest extent
The channel of blood flow of the big reservation branch vessel of amount, reduces the risk of thrombosis.Main body 10 is sewn in overlay film, can improve overlay film
Adherent performance, reduce in leak risk；Main body 10 is sewn in by intermediate part outside film, can reduce the risk of thrombosis.
Correspondingly, present invention also provides a kind of overlay film frame system, include mainly：The first component and second component,
The first component includes main body 10, at least one is embedded in the main body 10 and tangent with the inner wall of the main body 10 first
Collateral 11, at least one to be set to 10 outside of the main body and second collateral 12 and first conveying integral with the main body 10
Device 20, described second collateral 12 is cased with branch's sheath 120 outside, and branch's seal wire 121, the main body are provided on branch's sheath 120
10 outside is wound with lashing wire 101, and described second collateral 12 and the main body 10 are placed in first conveyer 20；Institute
It includes third collateral 13 and the second conveyer to state second component, and the third collateral 13 is placed in second conveyer.
In order to which above-mentioned overlay film frame to be sent into the position of vascular lesion, the different components of overlay film frame need to be respectively put into not
With conveying device in, specifically, referring to FIG. 3, it is will be cased with the described second collateral and outer of branch's sheath outside in the present invention
The main body that side is wound with lashing wire is placed in structural schematic diagram before first conveyer, the structure in Fig. 3 to be obtained,
Concrete operations are as follows, and the first conveyer can be inserted so that main body 10 to be constrained in 10 outside winding lashing wire 101 of main body first
In 20 outer tube diameter, then second collateral 12 is fitted into branch's sheath 120 so that second collateral 12 be in bound state,
Branch's sheath 120, which is folded to one end, again makes the main body 10 by constraint is whole to be fitted into the outer tube of the first conveyer 20, forms such as Fig. 4
Shown in by be cased with outside branch's sheath described second is collateral and outside is wound with the main body of lashing wire to be placed in described first defeated
Send the structural schematic diagram (structural schematic diagram for also corresponding to the first component of overlay film frame system) after device.In addition, to third
Collateral 13 are fitted into the second conveyer, and other branch vessels for second component to be subsequently sent into vascular lesion position are prepared.
Correspondingly, present invention also provides a kind of application methods of overlay film frame system.Below with reference to Fig. 5 and Fig. 6 a~6d
The manufacturing method of overlay film frame described in the present embodiment is described in detail.
First, step S1 is executed, the first component is sent to vascular lesion position；The step is equal to such as Fig. 4 institutes
The structure (i.e. the first component) shown is sent into vascular lesion position.
Then, step S2 is executed, first conveyer 20 is recalled；It will be outer in the first conveyer 20 at this point, being equivalent to
The main body 10 that described second collateral 12 and the outside for being cased with branch's sheath 120 are wound with lashing wire stays in vascular lesion position.
Then, step S3 is executed, Fig. 6 a are please referred to, branch's seal wire 121 is pulled, angiosis is pulled in by described second collateral 12
Become in first branch vessel at position；Here, branch's seal wire 121 plays guiding function, and the first branch is pulled in by second collateral 12
After blood vessel, second collateral 12 plays the role of positioning at this time, to avoid during subsequently discharging main body 10, reduces overlay film
The risk that holder can shift, when main body 10 is implanted into due to second collateral 12 be branched seal wire 121 pull in branch vessel and hundred
Hundred alignments, a counterbore 110 remaining in this way are divided just to be easier the opening of align fingers blood vessel, cause collateral implantation branch blood
Pipe is more prone to, to also reduce danger of leaking out in branch vessel；
Then, step S4 is executed, Fig. 6 b are please referred to, pulls the lashing wire 101 to discharge the main body 10 and described the
One collateral 11；
Then, step S5 is executed, the second component is sent into second branch vessel at the vascular lesion position, is made
One end of the third collateral 13 is through counterbore 110 and is inserted into described first collateral 11；
Then, step S6 is executed, Fig. 6 c is please referred to, recalls second conveyer to discharge the third collateral 13；It will
Second component is sent into the second branch vessel, discharge third it is collateral 13 when, the counterbore 110 is run through in one end of third collateral 13
And be inserted into described first collateral 11, when third collateral 13 is implanted into the second branch vessel, due to the main body 10 far from sinker area 100
One end (referred to herein as the distal end of main body 10) do not decontrol also, 10 holder of main body will not be displaced, even if a small amount of move occurs
Position can also adjust reduces the risk that overlay film frame displacement is brought back.
Then, step S7 is executed, Fig. 6 d is please referred to, pulls branch's sheath 120 to discharge described second collateral 12.This
In, the position for executing step S7 is not limited to after step S6, can be executed in the arbitrary steps after executing the step S3,
The application, which including but not limited to executes, pulls branch's sheath 120 to discharge the restriction of the described second collateral 12 step location.
Wherein, in overlay film frame there are at least one second collateral 12, effect be overlay film frame second it is collateral
Play the role of positioning when pulling in the branch vessel of diseased region and main body release, to reduce the risk of displacement, to drop
Low operative mortality rate and postoperative complications, are in addition designed as second collateral 12 integral with main body 10, avoid interior leakage
Risk；Dismountable third collateral 13 that setting first collateral 11 and cooperation first collateral 11 use in overlay film frame, and
It is provided with sinker area 100 in main body 10 between first collateral 11 and second collateral 12, in order in overlay film frame reality
In application, third collateral 13 is sent by the second conveyer in second blood vessel at vascular lesion position, one end of third collateral 13
It is inserted into first collateral 11 by the counterbore 110 on sinker area 100, and the other end of third collateral 13 is sent into other branches
In blood vessel, due to the presence of sinker area 100, the alignment difficulty of align fingers openings in blood vessels is reduced, further reduced simultaneously
First collateral 11 there is the interior risk leaked with the joining place at lower counterbore 110.
Preferably, due to second collateral 12 anchoring effect much larger than socket joint type third collateral 13 anchoring effect, because
The bigger importing in favor of third collateral 13 that this sinker area 100 can be done.
Preferably, main body 10 and it is different types of it is collateral (first collateral 11, second collateral 12 or collateral 13) of third do not have
Change original channel of blood flow, than completely with embedded or sunk type overlay film frame be more in line with human bloodstream it is dynamic (dynamical) than
It asks, lays the foundation for the success of operation.
To sum up, in overlay film frame provided by the present invention, overlay film frame system and its application method, overlay film frame is set
Be calculated as main body, it is at least one be embedded in the main body and with the inner wall of the main body it is tangent it is first collateral, be set to the master
External side is simultaneously collateral at least one second collateral, at least one dismountable third of the main body integrally.The present invention's
There are following advantageous effects for overlay film frame：
1) the second side branch is designed as integrated and the first collateral middle use is inserted into the collateral one end of third with main body
Design, reduce the risk of interior leakage, to reduce operative mortality rate and postoperative complications；
2) after the first component being sent into vascular lesion position, it will be first cased with the second of branch's sheath outside and collateral pull in vascular lesion
In first branch vessel at position, main body is then discharged, the second side branch plays the role of positioning at this time, to reduce overlay film branch
The risk of frame displacement, to reduce operative mortality rate and postoperative complications；
3) it is detachable, main body and third is collateral to be made respectively as desired since third is collateral, reduces
Product parameters types solve the problems, such as that stock is difficult.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims
Range.
Claims (8)
1. a kind of overlay film frame, which is characterized in that including：Main body, it is at least one be embedded in the main body and with the main body
Inner wall it is tangent first it is collateral, at least one be set on the outside of the main body and with integral second collateral and extremely of the main body
A few dismountable third is collateral；Wherein, in the main body be located at described first it is collateral with described second it is collateral between part
It is provided with sinker area, the sinker area is the structure of the part integument pits of the main body；At least one described first it is collateral with
The sinker area is connected by the counterbore on the sinker area, and the collateral one end of the third is through the counterbore and is inserted into institute
State first it is collateral in, the described first collateral quantity is identical as the quantity that the quantity of the counterbore and the third are collateral.
2. overlay film frame as described in claim 1, which is characterized in that described first is collateral total with the described second collateral quantity
With the branch vessel number equal to vascular lesion position.
3. overlay film frame as described in claim 1, which is characterized in that the length range of the sinker area is 1-30mm.
4. overlay film frame as claimed in claim 3, which is characterized in that the depth bounds of the sinker area are 3~25mm.
5. overlay film frame as claimed in claim 4, which is characterized in that the main body be circular tube shaped, length range be 60~
210mm, diameter range are 24~50mm.
6. such as overlay film frame according to any one of claims 1 to 5, which is characterized in that described first it is collateral be circular tube shaped,
Length range is 10~50mm, and diameter range is 8~12mm.
7. such as overlay film frame according to any one of claims 1 to 5, which is characterized in that described second it is collateral be circular tube shaped,
Length range is 10~50mm, and diameter range is 6~18mm.
8. a kind of overlay film frame system, which is characterized in that including：The first component and second component, the first component include master
Body, it is at least one be embedded in the main body and with the inner wall of the main body it is tangent first it is collateral, at least one be set to it is described
Second integral collateral and the first conveyer on the outside of main body and with the main body, be located in the main body described first it is collateral and
Described second it is collateral between be partly provided with sinker area, the sinker area is the structure of the part integument pits of the main body；Extremely
Few one described first it is collateral be connected by the counterbore on the sinker area with the sinker area, the second collateral housing has
Branch's sheath is provided with branch's seal wire on branch's sheath, lashing wire, the described second collateral and institute is wound on the outside of the main body
Main body is stated to be placed in first conveyer；The second component includes that third is collateral and the second conveyer, the third side
Branch one end through the counterbore and be inserted into described first it is collateral in, the third is collateral to be detachably connected with the main body, institute
State that third is collateral to be placed in second conveyer.
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| CN108245279B (en) * | 2016-12-29 | 2023-11-21 | 先健科技(深圳)有限公司 | Tectorial membrane support |
| CN108392292A (en) * | 2017-08-31 | 2018-08-14 | 北京裕恒佳科技有限公司 | Side port formula branch artificial blood vessel |
| CN109717986B (en) * | 2017-10-31 | 2021-07-02 | 上海微创心脉医疗科技股份有限公司 | Branch type tectorial membrane support and branch type tectorial membrane support system |
| CN110314014A (en) * | 2018-03-30 | 2019-10-11 | 上海微创心脉医疗科技股份有限公司 | Intravascular stent and its traction device |
| EP4205701A1 (en) * | 2020-10-13 | 2023-07-05 | Hangzhou Endonom Medtech Co., Ltd | Covered stent |
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| US8574284B2 (en) * | 2007-12-26 | 2013-11-05 | Cook Medical Technologies Llc | Low profile non-symmetrical bare alignment stents with graft |
| JP5509491B2 (en) * | 2009-03-26 | 2014-06-04 | クック メディカル テクノロジーズ エルエルシー | Stent graft |
| CN101897629B (en) * | 2009-05-26 | 2013-08-07 | 上海微创医疗器械（集团）有限公司 | Branched membrane-covered support conveying system and conveying method thereof |
| CN201782845U (en) * | 2009-12-22 | 2011-04-06 | 孙立忠 | Stent type artificial vessel conveying device for aortic surgery |
| CN201861797U (en) * | 2010-08-09 | 2011-06-15 | 郭伟 | Stent type blood vessel |
| CN102415924B (en) * | 2011-09-16 | 2014-11-26 | 上海微创医疗器械（集团）有限公司 | Branched sheath and blood vessel stent conveying and release device applying same |
| CN203354689U (en) * | 2012-02-10 | 2013-12-25 | 王宏飞 | Multiple-cavity artery covered stent |
| CN103876860B (en) * | 2014-04-14 | 2016-04-06 | 中国人民解放军第三军医大学第三附属医院 | With the aorta tectorial membrane stent of chimney support supporting pipeline |
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Address after: No. 3399 Lane 1, Kangxin Highway, Pudong New District, Shanghai, 201318 Patentee after: Shanghai Minimally Invasive Heart Vein Medical Technology Co., Ltd. Address before: No. 3399 Lane 1, Kangxin Highway, Pudong New District, Shanghai, 201318 Patentee before: Minimally invasive medical technology (Shanghai) Co., Ltd. |